if a procedure tell you to weigh to the nearest tenth of a gram about 3 grams, which balance would you use

A sample of an unknown hydrate weighs 0.500 g and after heating it weighs 0.100 g. What is the percent of water in the hydrate?

I neesd help with questions 1-8 in the above questions.

you have 125 g of a certain seasoning and are told that it contains 22.0 g of salt. What is the percentage of salt by mass in this seasoning?(express the percentage numerically. Do not round)

Cl: narge to e rmal charg Chec

Orciprenaline(C11H17N03,211.258 g/mol) is a bronchodilatorused in the treatment of asthma.The BP assay for orciprenalinetablets is described below. Read thefollowing information carefully andanswer the questions below.(Record your answers in decimalnotation to the indicated significantfigures OR decimal places)ASSAY - 20 tablets weighing 2.597 gwere crushed to a powder. Aportion of the crushed powder(0.5456 g) was shaken with 50 mL of0.1 M HI, the mixture was filteredand made up to 100 mL. 10 mL ofthis solution was further diluted to100 mL with 0.1 M HCI. Themeasured absorbance of thediluted solution at 276 nm was0.582. Additional information: A1%72.3, stated content = 20 mg Calculate:a) The concentration oforciprenaline in the diluted solutionin mg/L b) The actual amount oforciprenaline (in mg) in the powderassayed.c) The actual amount oforciprenaline (in mg) per tablet.d) The percentage of stated contentof per tablet.

which ones are hete nogeneas mixture orange juice, soil, wine, air, vegetable soup. soil, sayp, or al Ok them? 2 or all Okthem?

What volume (in L) would 375 g of sunflower oil occupy

If it says to add 64oz to 250 gallons, hiw many ounces would you add to 30 gallons?

36 ouncew of beer is equivalent to how many standard drinks?